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forming the ears

hey i am 12 weeks along and would like to know when the ears form?
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Avatar universal
My preg. book says week 20, the external ears are formed, and they can hear loud noises from the outside world!  I'm 12wks also!
Good luck to you!
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221025 tn?1332555346
Hopefully, if all is well, we will be eleven weeks this week - so just behind the two of you ladies - from what I have read, the three bones in the inner ear will strart developing in the fifteenth week - but the auditory centers in the brain are quite ready yet - so he can't understand the random sounds that he might be hearing until about twenty weeks and then he can actually react to noises!  
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